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DR. THOMAS DIEHL MD
NPI 1134617608
Surgery in Madison, WI

Active since April 30, 2018PECOS EnrolledAccepts Medicare Assignment
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE, MADISON, WI 53792(608) 263-6400 Get Directions Write a Review

NPPES record last updated: June 26, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 26, 2024, Apr 30, 2018 (2 updates tracked since 2018).

About Dr. Thomas Diehl Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS DIEHL MD (NPI 1134617608) is an individual surgery provider in Madison, Wisconsin, licensed in Wisconsin (73097-20) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Fort Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1134617608
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. THOMAS DIEHLCredential: MD
Location AddressUW HOSPITALS AND CLINICS 600 HIGHLAND AVEMadison, WI 53792-0001
Mailing AddressPo Box 249Fort Atkinson, WI 53538-0249 · (920) 568-6580
Phone(608) 263-6400
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 30, 2018
Last NPPES UpdateJune 26, 20242 updates tracked since enumeration
NPPES CertifiedJune 26, 2024
✔ NPI 1134617608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WI · 73097-20
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE, Madison, WI 53792
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Secondary Practice Locations 2

Location 1611 Sherman Ave EFort Atkinson, WI 53538-1960 · Phone (920) 563-7900
Location 2212 Milwaukee Ave WFort Atkinson, WI 53538-2022 · Phone (920) 563-7900

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Group Health Cooperative-SCW, MercyCare Health Plans, Quartz.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Diehl Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294082137
PECOS Enrollment IDI20240712001748
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL BERGQUIST
Radiology (Diagnostic Radiology)
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
TREVOR LEE SCHELL MD
Internal Medicine
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
CARINE RENNER MD
Pediatrics
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
DR. SCOTT ALAN BLAINE DO
Anesthesiology
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
TREY MORGAN DO
Internal Medicine (Geriatric Medicine)
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
MADHURI VSN NISHTALA MD
Surgery
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
CHRISTOPHER HARRY JOSEPH NYE MD
Student in an Organized Health Care Education/Training Program
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400
MEGAN SUZANNE BERRY DO
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
UW HOSPITALS AND CLINICS 600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Diehl's NPI number?

The NPI number for Thomas Diehl is 1134617608. It was assigned to this individual provider in the NPPES registry on April 30, 2018.

Where is Thomas Diehl located?

Thomas Diehl practices at Uw Hospitals And Clinics 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.

What is Thomas Diehl's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Thomas Diehl enrolled in Medicare?

Yes. Thomas Diehl is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Diehl accept?

Health plans from Group Health Cooperative-SCW, MercyCare Health Plans and Quartz list Thomas Diehl as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Diehl affiliated with any hospitals?

According to CMS data, Thomas Diehl is affiliated with Fort Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Diehl was last updated on June 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.